According to an AP-GfK poll, 7 percent of Americans report that somebody in their household has tried to sign up for insurance through the health care exchanges.

While that's a small percentage, it could represent more than 20 million people.

Three-fourths of those who tried to sign up reported problems, though, and that's reflected in the underwhelming reviews.

Overall, just 7 percent of Americans say the roll out of the health exchanges has gone well. Far more deem it a flop.

Among those who've tested out the system, three-quarters of those polled said they've experienced problems trying to sign up.

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